scholarly journals Lower-Limb Muscle Contractile Properties, Explosive Power and the Subjective Response of Elite Soccer Players to the COVID-19 Lockdown

Author(s):  
Armin Paravlic ◽  
Bostjan Simunic ◽  
Sasa Pisot ◽  
Matej Kleva ◽  
Kaja Teraz ◽  
...  

The present study examined the effects of the lockdown period on basic anthropometric measures, countermovement jumping performance, skeletal muscle contractile properties derived from tensiomyography (TMG), injury incidence, and self-assessed general well-being in elite soccer players. A total of 266 players were assessed before (PRE) and 32 players were reassessed 11 days after (POST) the COVID-19 period. Significant changes in the TMG parameters were observed POST compared to PRE: contraction time (Tc) increased from 6% to 50% in vastus lateralis [VL] (p = 0.009) and biceps femoris [BF] (p < 0.001), respectively; whereas radial displacement (Dm) increased for 19% in BF (p = 0.036) and 17% in VL (p < 0.001), respectively. Jumping performance remained unchanged from PRE to POST In addition, athletes rated the lockdown period as a positive event and felt psychologically better during the lockdown, primarily because they spent more time with family members and friends. Although there were no differences in any of the variables describing lower limb muscle power following the two-month lockdown, the altered contractile properties of the assessed muscles suggest suboptimal conditioning of the football players.

2021 ◽  
Vol Publish Ahead of Print ◽  
Author(s):  
Hironori Fujishita ◽  
Noriaki Maeda ◽  
Yukio Urabe ◽  
Makoto Komiya ◽  
Shogo Sakai ◽  
...  

2011 ◽  
Vol 90 (5) ◽  
pp. 356-363 ◽  
Author(s):  
Juan Manuel García-Manso ◽  
Darío Rodríguez-Matoso ◽  
David Rodríguez-Ruiz ◽  
Samuel Sarmiento ◽  
Yves de Saa ◽  
...  

2019 ◽  
Vol Publish Ahead of Print ◽  
Author(s):  
Marco Beato ◽  
Marc Madruga-Parera ◽  
Francisco Piqueras-Sanchiz ◽  
Victor Moreno-Pérez ◽  
Daniel Romero-Rodriguez

2014 ◽  
Vol 11 (1) ◽  
pp. 32 ◽  
Author(s):  
João G Claudino ◽  
Bruno Mezêncio ◽  
Sérgio Amaral ◽  
Vinícius Zanetti ◽  
Fabiana Benatti ◽  
...  

2019 ◽  
Vol 51 (Supplement) ◽  
pp. 505
Author(s):  
Ashley Jones ◽  
Karen Hind ◽  
Ian Entwistle ◽  
Hannah V. Wilson ◽  
Peter Francis

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